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TI-2025-14634 Aliases CVE-2025-20339GHSA-97xx-3c9q-f5rx

Cisco SD-WAN vEdge Software Access Control List Bypass Vulnerability

Priority LOW 32CWE-284Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Impact type
Security bypass
Confidentiality · integrity · availability
None · Low · None
Fix status
No fix listed

Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-284.

Summary

A vulnerability in the access control list (ACL) processing of IPv4 packets of Cisco SD-WAN vEdge Software could allow an unauthenticated, remote attacker to bypass a configured ACL. This vulnerability is due to the improper enforcement of the implicit deny all at the end of a configured ACL. An attacker could exploit this vulnerability by attempting to send unauthorized traffic to an interface on an affected device. A successful exploit could allow the attacker to bypass an ACL on the affected device.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00315 24th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
Yes
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
CiscoCisco SD-WAN vEdge Cloud20.9.1; 20.9.1.1; 20.9.2; 20.9.3; 20.9.3.1; 20.9.2.2; 20.9.2.3; 20.9.4; 20.9.5; 20.9.5.1; 20.9.6; 20.9.5.3—No fix listedCNA
CiscoCisco SD-WAN vEdge Router20.3.1; 20.3.2; 20.4.1; 20.4.1.1; 20.3.3; 20.4.1.2; 20.4.2; 20.3.4; 20.3.5; 20.9.1; 20.3.6; 20.9.2; 20.3.7; 20.9.3; 20.3.3.2; 20.3.4.3; 20.9.3.1; 20.3.7.1; 20.3.5.1; 20.4.2.3; 20.9.2.2; 20.3.7.2; 20.9.2.3; 20.9.4; 20.12.1; 20.3.8; 20.9.4.1777; 20.9.5; 20.9.5.1; 20.12.3.1; 20.9.6; 20.9.5.3—No fix listedCNA
  • Cisco SD-WAN vEdge Cloud VendorCisco Affected 20.9.1; 20.9.1.1; 20.9.2; 20.9.3; 20.9.3.1; 20.9.2.2; 20.9.2.3; 20.9.4; 20.9.5; 20.9.5.1; 20.9.6; 20.9.5.3 Fixed in — No fix listed CNA
  • Cisco SD-WAN vEdge Router VendorCisco Affected 20.3.1; 20.3.2; 20.4.1; 20.4.1.1; 20.3.3; 20.4.1.2; 20.4.2; 20.3.4; 20.3.5; 20.9.1; 20.3.6; 20.9.2; 20.3.7; 20.9.3; 20.3.3.2; 20.3.4.3; 20.9.3.1; 20.3.7.1; 20.3.5.1; 20.4.2.3; 20.9.2.2; 20.3.7.2; 20.9.2.3; 20.9.4; 20.12.1; 20.3.8; 20.9.4.1777; 20.9.5; 20.9.5.1; 20.12.3.1; 20.9.6; 20.9.5.3 Fixed in — No fix listed CNA

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2025-20339
  2. 2026-10-03 Alias added: GHSA-97xx-3c9q-f5rx

References

Other 1

  • TI-2026-74174 Arbitrary file write in Cisco Secure Email Gateway via AMP feature KEVCVSS 3.1CRITICAL 9.8
  • TI-2026-53490 Cisco Catalyst SD-WAN Manager System Account Authorization Bypass Vulnerability KEVCVSS 3.1CRITICAL 9.8
  • TI-2026-53489 Cisco Secure Email Gateway SQL Injection Vulnerability KEVCVSS 3.1CRITICAL 9.8
  • TI-2026-53488 Cisco Identity Services Engine Authentication Bypass Vulnerability KEVCVSS 3.1CRITICAL 10.0
  • TI-2026-16388 Cisco Catalyst SD-WAN Controller Authentication Bypass Vulnerability KEVCVSS 3.1CRITICAL 10.0
  • TI-2026-16344 Cisco Secure Firewall Management Center Software Remote Code Execution Vulnerability KEVCVSS 3.1CRITICAL 10.0
See all 7059 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences